:root {
  --bg: #eef2f6;
  --bg-accent: rgba(19, 92, 175, 0.08);
  --surface: rgba(255, 255, 255, 0.94);
  --surface-strong: #ffffff;
  --surface-muted: #f5f7fa;
  --rail: #0f1722;
  --rail-line: rgba(255, 255, 255, 0.08);
  --line: #d7dee7;
  --line-strong: #c3cdd8;
  --ink: #112033;
  --ink-muted: #5c6d7f;
  --ink-soft: #7e8e9f;
  --accent: #1663c7;
  --accent-soft: rgba(22, 99, 199, 0.12);
  --success: #147a5a;
  --success-soft: rgba(20, 122, 90, 0.12);
  --warning: #ab6f1a;
  --warning-soft: rgba(171, 111, 26, 0.12);
  --danger: #b34d39;
  --danger-soft: rgba(179, 77, 57, 0.12);
  --shadow: 0 18px 40px rgba(16, 28, 45, 0.08);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at top left, var(--bg-accent), transparent 30%),
    linear-gradient(180deg, #f7f9fb 0%, var(--bg) 100%);
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  font-family: "Aptos", "Segoe UI Variable Text", "IBM Plex Sans", sans-serif;
}

button,
input,
textarea,
select {
  font: inherit;
}

.auth-gate {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}

.auth-panel {
  width: min(720px, 100%);
  display: grid;
  gap: 28px;
  padding: 32px;
  border: 1px solid rgba(17, 32, 51, 0.08);
  border-radius: 20px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.98), rgba(245, 247, 250, 0.96));
  box-shadow: 0 28px 60px rgba(16, 28, 45, 0.12);
}

.auth-copy-block {
  display: grid;
  gap: 14px;
}

.auth-panel h1,
.brand-stack h1,
.header-copy h2,
.sheet h3,
.subsection h4,
.editor-section h4,
.table-card-title {
  margin: 0;
}

.auth-panel h1 {
  max-width: 11ch;
  font-size: clamp(2.7rem, 5vw, 4.2rem);
  line-height: 0.94;
  letter-spacing: -0.06em;
}

.eyebrow,
.rail-label,
.section-label,
.page-kicker,
.field-label,
.table-meta {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.auth-copy,
.auth-status,
.brand-subtitle,
.status-banner,
.small-note,
.placeholder-copy,
.rail-note,
.detail-feedback,
.inline-help,
.empty-state,
.editor-note,
.admin-note {
  margin: 0;
  line-height: 1.5;
  color: var(--ink-muted);
}

.auth-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.app-shell {
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  min-height: 100vh;
}

.app-rail {
  display: grid;
  align-content: start;
  gap: 24px;
  padding: 24px 18px;
  border-right: 1px solid var(--rail-line);
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.03), rgba(255, 255, 255, 0)),
    var(--rail);
  color: #f6f8fb;
}

.brand-stack {
  display: grid;
  gap: 10px;
  padding: 6px 6px 2px;
}

.brand-stack h1 {
  font-size: 1.8rem;
  letter-spacing: -0.04em;
}

.brand-subtitle,
.rail-note {
  color: rgba(229, 236, 244, 0.72);
}

.rail-section {
  display: grid;
  gap: 12px;
}

.rail-nav,
.list-host {
  display: grid;
  gap: 8px;
}

.rail-item,
.list-item {
  width: 100%;
  display: grid;
  gap: 6px;
  padding: 12px 14px;
  border: 1px solid transparent;
  border-radius: var(--radius-md);
  background: transparent;
  color: inherit;
  text-align: left;
  cursor: pointer;
  transition: background 120ms ease, border-color 120ms ease, transform 120ms ease;
}

.rail-item:hover,
.list-item:hover {
  transform: translateY(-1px);
}

.rail-item:hover {
  background: rgba(255, 255, 255, 0.05);
  border-color: rgba(255, 255, 255, 0.06);
}

.rail-item.is-active {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

.rail-item strong,
.list-item strong {
  font-size: 0.95rem;
}

.rail-item span {
  color: rgba(229, 236, 244, 0.72);
  font-size: 0.84rem;
}

.rail-meta {
  display: grid;
  gap: 12px;
  padding: 14px;
  border: 1px solid var(--rail-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.rail-meta-row {
  display: grid;
  gap: 4px;
}

.rail-meta-row span {
  color: rgba(229, 236, 244, 0.66);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.rail-note {
  padding: 14px;
  border: 1px solid var(--rail-line);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.04);
}

.app-main {
  display: grid;
  grid-template-rows: auto 1fr;
  min-width: 0;
}

.app-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 20px;
  padding: 24px 28px 18px;
}

.header-copy {
  display: grid;
  gap: 8px;
}

.header-copy h2 {
  font-size: clamp(1.9rem, 3vw, 2.8rem);
  letter-spacing: -0.05em;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  justify-content: end;
}

.app-content {
  display: grid;
  gap: 18px;
  padding: 0 28px 28px;
}

.kpi-strip,
.metric-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.kpi-card {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.kpi-card strong {
  font-size: clamp(1.2rem, 2vw, 1.6rem);
  letter-spacing: -0.04em;
}

.stage {
  display: grid;
  gap: 16px;
}

.stage-columns {
  display: grid;
  gap: 16px;
}

.stage-columns--dashboard {
  grid-template-columns: minmax(0, 1.25fr) minmax(360px, 0.9fr);
}

.stage-columns--dashboard-lower {
  grid-template-columns: minmax(0, 1.3fr) minmax(360px, 0.85fr);
}

.stage-columns--split {
  grid-template-columns: 340px minmax(0, 1fr);
}

.stage-columns--detail-lower {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.sheet,
.subsection,
.editor-grid .editor-section,
.table-card,
.metric-panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
}

.sheet,
.subsection,
.editor-grid .editor-section {
  padding: 18px;
}

.sheet-header,
.subsection-header,
.inline-actions,
.editor-toolbar,
.table-card-header {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}

.sheet-header,
.subsection-header,
.editor-toolbar,
.table-card-header {
  margin-bottom: 14px;
}

.sheet--detail,
.sheet--list {
  min-height: 620px;
}

.table-host,
.dashboard-costs,
.editor-host,
.admin-overview {
  display: grid;
  gap: 12px;
}

.brief-copy-host {
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
}

.brief-copy {
  margin: 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: "Consolas", "Cascadia Code", monospace;
  font-size: 0.92rem;
  line-height: 1.55;
  color: var(--ink);
}

.table-scroll {
  overflow: auto;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
}

table {
  width: 100%;
  border-collapse: collapse;
}

thead th {
  position: sticky;
  top: 0;
  z-index: 1;
  padding: 11px 12px;
  border-bottom: 1px solid var(--line);
  background: var(--surface-muted);
  color: var(--ink-soft);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-align: left;
  text-transform: uppercase;
}

tbody td {
  padding: 12px;
  border-bottom: 1px solid rgba(17, 32, 51, 0.06);
  vertical-align: top;
}

tbody tr:last-child td {
  border-bottom: 0;
}

tbody tr:hover {
  background: rgba(22, 99, 199, 0.035);
}

.pill {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 24px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.pill[data-status="active"],
.pill[data-compatible="true"],
.pill[data-budget="ok"],
.pill[data-email="sent"] {
  background: var(--success-soft);
  color: var(--success);
}

.pill[data-status="paused"],
.pill[data-status="draft"],
.pill[data-compatible="false"],
.pill[data-budget="over"],
.pill[data-email="failed"] {
  background: var(--danger-soft);
  color: var(--danger);
}

.pill[data-kind="warning"],
.pill[data-email="sender_unconfigured"],
.pill[data-email="disabled"],
.pill[data-email="no_recipients"] {
  background: var(--warning-soft);
  color: var(--warning);
}

.list-item {
  border-color: var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-strong);
  color: var(--ink);
}

.list-item.is-active {
  border-color: rgba(22, 99, 199, 0.25);
  box-shadow: inset 0 0 0 1px rgba(22, 99, 199, 0.1);
}

.list-item-meta,
.list-item-subtle {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  color: var(--ink-muted);
  font-size: 0.86rem;
}

.button {
  min-height: 38px;
  padding: 0 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--ink);
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease;
}

.button:hover {
  transform: translateY(-1px);
  box-shadow: 0 8px 18px rgba(16, 28, 45, 0.08);
}

.button:disabled {
  cursor: default;
  opacity: 0.55;
  transform: none;
  box-shadow: none;
}

.button-primary {
  border-color: transparent;
  background: linear-gradient(135deg, #1663c7, #2c80de);
  color: white;
}

.button-accent {
  border-color: transparent;
  background: linear-gradient(135deg, #c88722, #dfa244);
  color: #2f1a00;
}

.button-ghost {
  background: transparent;
}

.inline-actions {
  flex-wrap: wrap;
  justify-content: end;
}

.inline-field,
.field {
  display: grid;
  gap: 6px;
}

.inline-field span,
.field span,
.field-label {
  color: var(--ink-soft);
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

input[type="text"],
input[type="number"],
input[type="date"],
textarea,
select {
  width: 100%;
  min-height: 40px;
  padding: 9px 11px;
  border: 1px solid var(--line-strong);
  border-radius: 10px;
  background: var(--surface-strong);
  color: var(--ink);
}

textarea {
  min-height: 88px;
  resize: vertical;
}

.checkbox-row {
  display: flex;
  align-items: center;
  gap: 8px;
}

.checkbox-row input {
  width: 16px;
  height: 16px;
}

.detail-summary,
.admin-overview {
  display: grid;
  gap: 12px;
}

.summary-grid,
.editor-grid {
  display: grid;
  gap: 12px;
}

.summary-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.editor-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.editor-grid .editor-section {
  display: grid;
  gap: 12px;
  padding: 16px;
}

.editor-row {
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.editor-row--triple {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.editor-row--quad {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.detail-feedback.is-success {
  color: var(--success);
}

.detail-feedback.is-error {
  color: var(--danger);
}

.empty-state {
  padding: 16px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
}

.note-list {
  display: grid;
  gap: 8px;
}

.note-item {
  padding: 10px 12px;
  border-left: 3px solid rgba(22, 99, 199, 0.25);
  background: var(--surface-muted);
  color: var(--ink-muted);
}

.mini-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.stack {
  display: grid;
  gap: 8px;
}

.metric-panel {
  padding: 14px 16px;
}

.metric-panel strong {
  display: block;
  margin-top: 6px;
  font-size: 1.55rem;
  letter-spacing: -0.04em;
}

.agile-board {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.agile-column {
  display: grid;
  gap: 10px;
  min-height: 280px;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--surface-strong);
}

.agile-column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.agile-column-cards {
  display: grid;
  gap: 8px;
  align-content: start;
}

.agile-card-shell {
  display: grid;
  gap: 6px;
}

.agile-card {
  display: grid;
  gap: 8px;
  width: 100%;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: var(--surface-muted);
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color 120ms ease, background 120ms ease, transform 120ms ease;
}

.agile-card:hover {
  transform: translateY(-1px);
  border-color: rgba(22, 99, 199, 0.24);
}

.agile-card.is-selected {
  border-color: rgba(22, 99, 199, 0.32);
  background: rgba(22, 99, 199, 0.06);
}

.agile-card-header,
.agile-card-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.agile-card-title {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.35;
}

.agile-card-story {
  margin: 0;
  color: var(--ink-muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.agile-children {
  display: grid;
  gap: 6px;
  padding-left: 10px;
  border-left: 2px solid rgba(17, 32, 51, 0.08);
}

.agile-child {
  padding: 8px 10px;
  border-radius: 10px;
  background: rgba(17, 32, 51, 0.04);
}

.admin-note,
.inline-help {
  font-size: 0.9rem;
}

.mono {
  font-family: "Consolas", "Cascadia Code", monospace;
  font-size: 0.92em;
}

@media (max-width: 1380px) {
  .kpi-strip,
  .metric-grid,
  .summary-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .stage-columns--dashboard,
  .stage-columns--dashboard-lower,
  .stage-columns--split,
  .stage-columns--detail-lower,
  .editor-grid,
  .agile-board {
    grid-template-columns: 1fr;
  }

  .sheet--detail,
  .sheet--list {
    min-height: 0;
  }
}

@media (max-width: 1024px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .app-rail {
    border-right: 0;
    border-bottom: 1px solid var(--rail-line);
  }

  .app-header,
  .app-content {
    padding-left: 18px;
    padding-right: 18px;
  }

  .editor-row,
  .editor-row--triple,
  .editor-row--quad,
  .kpi-strip,
  .metric-grid,
  .summary-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 720px) {
  .auth-panel,
  .sheet,
  .subsection,
  .editor-grid .editor-section {
    padding: 16px;
  }

  .app-header,
  .sheet-header,
  .subsection-header,
  .header-actions,
  .inline-actions {
    display: grid;
    justify-content: stretch;
  }

  .rail-nav,
  .list-host {
    gap: 6px;
  }
}